#!/usr/bin/env python
#
# Copyright (c) 2013,2017 - Adjacent Link LLC, Bridgewater, New Jersey
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
#   notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
#   notice, this list of conditions and the following disclaimer in
#   the documentation and/or other materials provided with the
#   distribution.
# * Neither the name of Adjacent Link LLC nor the names of its
#   contributors may be used to endorse or promote products derived
#   from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#

from __future__ import absolute_import, division, print_function
from optparse import OptionParser
from emane.shell import EMANEShell
from emane.shell import ControlPortException
import sys

usage = "emanesh [OPTION].. hostname [command]"

optionParser = OptionParser(usage=usage)

optionParser.add_option("-p",
                        "--port",
                        action="store",
                        type="int",
                        dest="port",
                        default=47000,
                        help="Server listen port [default: %default]")

(options, args) = optionParser.parse_args()

if len(args) < 1 :
    print("invalid number of arguments", file=sys.stderr)
    exit(1)


try:
    shell = EMANEShell(args[0],options.port)
except ControlPortException as exp:
    print(exp, file=sys.stderr)
    exit(1)

if(len(args[1:])):
    shell.onecmd(" ".join(args[1:]))
    shell.onecmd('exit')
else:
    try:
        shell.cmdloop()
    except KeyboardInterrupt as exp:
        shell.onecmd('exit')
        print()

exit(0)
